When to Plant Browallia in Somersworth, NH

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant browallia in Somersworth can be determined by checking out the USDA zone info.


Planting Calendar for Browallia

Frost tolerance for browallia: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Browallia are not cold tolerant which means that you need to wait until it warms up after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant browallia
Possibly ok, but a risky time to plant browallia
Probably not a good time to plant browallia

The earliest that you can plant browallia in Somersworth is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant browallia and expect a good harvest is probably August. Any later than that and your browallia may not have a chance to really do well. If you are starting your browallia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Somersworth the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Somersworth is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Somersworth last frost occurs after April 15 be ready to cover your browallia if you have a surprise late frost.

USDA Zone Info for Somersworth

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Somersworth

You may be interested in your other planting guides for Somersworth.